El sistema de unidades de trabajo escolar
| Main Author: | |
|---|---|
| Format: | Libro |
| Published: |
México
UTEHA
1950
|
| Item Description: | Título original: Principles of unit construction |
|---|---|
| Physical Description: | 283 p. ; 23 cm. |
| Main Author: | |
|---|---|
| Format: | Libro |
| Published: |
México
UTEHA
1950
|
| Item Description: | Título original: Principles of unit construction |
|---|---|
| Physical Description: | 283 p. ; 23 cm. |